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 A098351 Multiplication table of the composites read by antidiagonals. 1
 16, 24, 24, 32, 36, 32, 36, 48, 48, 36, 40, 54, 64, 54, 40, 48, 60, 72, 72, 60, 48, 56, 72, 80, 81, 80, 72, 56, 60, 84, 96, 90, 90, 96, 84, 60, 64, 90, 112, 108, 100, 108, 112, 90, 64, 72, 96, 120, 126, 120, 120, 126, 120, 96, 72, 80, 108, 128, 135, 140, 144, 140, 135, 128 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS FORMULA T(n,k) = A002808(n)*A002808(k). EXAMPLE 16, 24, 32, 36, 40, 48, 56, 60, 64, 72,... 24, 36, 48, 54, 60, 72, 84, 90, 96,108,... 32, 48, 64, 72, 80, 96,112,120,128,144,... 36, 54, 72, 81, 90,108,126,135,144,162,... 40, 60, 80, 90,100,120,140,150,160,180,... 48, 72, 96,108,120,144,168,180,192,216,... CROSSREFS Cf. A003991, A098350. Sequence in context: A179370 A166675 A114405 * A206267 A325480 A205193 Adjacent sequences:  A098348 A098349 A098350 * A098352 A098353 A098354 KEYWORD nonn,tabl AUTHOR Douglas Stones (dssto1(AT)student.monash.edu.au), Sep 04 2004 STATUS approved

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Last modified October 18 07:42 EDT 2019. Contains 328146 sequences. (Running on oeis4.)